Restructuring - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) facility	Dec. 31, 2014 USD ($)
Restructuring Cost And Reserve [Line Items]
Restructuring Charges	$ 0	$ 2,411	$ 1,213
Material Handling [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Charges		$ 2,252	449
Number of manufacturing plants | facility		2
Distribution [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Charges		$ 124	764
Severance and Moving Expenses for Equipment and Inventory [Member] | Material Handling [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Charges		$ 2,300
Severance and Non-Cancelable Lease Costs [Member] | Distribution [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Charges			800
Finance and Sales Reorganization [Member] | Material Handling [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Charges			$ 400